How do I deposit a check? How do I endorse it?

Hi there, thepianolabllc. You can deposit a check by using the QuickBooks Money mobile app.

Before that, can you please provide a screenshot about the error you've encountered. Providing additional information will help us provide the most accurate solution here in QuickBooks. 

To proceed in depositing your check, log in to your QuickBooks Money mobile app. Then, select Deposit check. After that, enter the check amount and ensure it's not more than the limit shown on the screen.

Please note that if there’s no deposit check option, you may not be eligible yet. To confirm your account eligibility and ensure you meet our requirements, refer to this article for guidance: Use mobile check deposit with QuickBooks Checking. Additionally, you can find detailed steps for endorsing your check in Step 2 of the article.

If you're depositing the check using the QuickBooks Online (QBO) account through your web browser, here's how to do it:

1. Go to the +New icon, then select Bank deposit.
2. Select the account on which you want to deposit the check.
3. Select where you've received the amount from under the Received From section.
4. Then, enter the Account, Payment method, and the amount.
5. Once done, select Save and close.

If you need further help, please reply to this thread. We'll be here to help.